chemical methods

Several specific geophysical, geological, and chemical methods are presently used for earthquake prediction.

Methods: Conventional chemical methods and ICP-MS were used to determine contents of nutrients and rare-earth elements.

Electrical methods are inherently more powerful than chemical methods because large amounts of energy can be applied rapidly.

One way of identifying a substance without resorting to fiddly chemical methods is to determine its density.

Separated by chemical methods, the active ingredient continuously enriched and enhanced efficacy, reduced cytotoxicity.

Both of physical and chemical methods are being used to produce calcium carbonates.

The chemical methods include sol-gel, precipitation, solve-thermal synthesis, microemulsion, hydrolization, etc.

soil quality . chemical methods . determination of cationic exchange capacity and extractible cations.

This article talks about the New Curriculum observation and evaluation of teaching some of the chemical methods.

Chemical methods and GC-MS methods are used in turn for analyzing the chemical components of chloroform and ethyl acetate extracts.

Chemical methods mostly reduce nitrate nitrogen by catalysis reaction with metal ions, which easily lead to a secondary pollution.

The chemical methods include chiral auxiliary's induction, chiral oxidant'soxidation, chiral resolution, and enantioselective catalysis.

the control measures include a choice of physical , environmental , biological , legal or chemical methods.

At present, the treatments of landfill leachate mainly include biological methods and physical-chemical methods.

In the paper, chemical methods of extraction soluble dietary fiber (SDF) and insoluble dietary fiber (IDF) from lettuce peel were studied.

Research is needed on chemical methods to accelerate the natural weathering process by which minerals form carbonates.

Vector control is implemented using environmental management and chemical methods.

Removing cement plug in oil pipes with chemical methods can reduce difficulty of mechanical operation and damage of wellbore.

Latentprints are often fragmentary and may require chemical methods, powder, or alternative light sources in order to be visualized.

They have been synthesized in relatively copious quantities using chemical methods.

The main initiatives can play a blotting paper, also from the oil through chemical methods to improve the hair.

Methods Identification by chemical methods to rapid screening, and further verification by TLC.

One way to identify a substance without resorting to fiddly chemical methods is to determine its density.

Chiral sulfoxides may be obtained by biological and chemical methods.

Extractive wet chemical methods currently used are slow, labor intensive and expensive.

Preparation of immobilized enzyme method of physical and chemical methods two broad categories.

Chemical methods are simple in treatment process higher in reaction rate and removal efficiency.

Methods: Chemical Methods Maitong particles quality control and stability studies and the control method to clinical observation.

While chemical methods will require the accumulation and combination.

SOIL QUALITY. CHEMICAL METHODS. DETERMINATION OF ORGANIC CARBON BY SULFOCHROMIC OXYDATION.

More than 90 percent of the effluents from surface treating is disposed of by chemical methods abroad.

The configuration of product was detected by chemical methods and IR spectrum.

There are special advantages of enzymes in processing pulp and paper by comparison with physical and chemical methods.

Cryoscopy is obtained by classical chemical methods.

Chemical methods for studying translation and the ribosome.

Non-chemical methods for control of soilborne diseases of field crops.

The sol-gel and precipitation of chemical methods are applied widely.

Based on the consultation of lots of references the chemical methods and knowledge banquets methods are summarized.

Novozymes says its process will be competitive with chemical methods at an oil price of $60 a barrel or higher.

Improved in cooking quality by physical and chemical methods it can be directly served on tables.

Both of the properties of wood and modification methods of wood-fiber were described, for example, physical methods and chemical methods.

Many physical and chemical methods could be used to study the effects of soil fauna on litter decomposition in forests.

Must remind you is this: some fruit is ripening elements of the chemical methods used.

Although a number of chemical methods have been employed for the determination of chemical components in solution at low levels

Evaluation of immunochemical and chemical methods of fecal occult blood test as a screening for colorectal diseases in elderly people

Analysis of aluminium ores - Chemical methods - Method for determination of phosphorus content: spectrophotometric method

Soil quality - Chemical methods - Determination of the specific electrical conductivity

Quantitative Structure-Activity Relationships of Antitumor Camptothecin Derivatives Using Quantum Chemical Methods and GA-PLS

Analysis of aluminium ores - Chemical methods - Method for determination of titanium content: spectrophotometric method

Soil quality - Chemical methods - Determination of dry matter and water content on a mass basis by a gravimetric method

Choice of Technological Process and Chemical Medicine for the Disposal of Mixed Electroplating Wastewater by Chemical Methods

Soil quality - Chemical methods - Determination of organic and total carbon after dry combustion (elementary analysis)

Soil quality - Chemical methods - Determination of carbonate content - Volumetric method

Soil quality - Chemical methods - Determination of total nitrogen - Modified Kjeldahl method

Analysis of aluminium ores - Chemical methods - Method for determination of iron content: titrimetric method

Comparison of the results of plasma glucose, creatinine and urea by the dry and the liquid chemical methods

Chemical Methods for Sewage Dephosphorylation Treatment

Application and Preparation of Three-dimensional Photonic Crystals by Chemical Methods

Research and Development in Preparation of Superfine-silver Powders by Chemical Methods

Chemical methods reducing diesel engine exhaust pollution

Experiment on small vascular allograft preserved by three chemical methods

Soil quality - Chemical methods - Extraction of trace elements soluble in aqua regia

Technology of reinforcement by filling slurry with chemical methods

Soil quality - Chemical methods - Determination of water-soluble and acid-soluble sulfate

The progress of treating waste landfill leachate by physical-chemical methods

Providing support for chromatographic systems e. g. GC, and wet chemical methods;

Study on treatment of ammonium-nitrogen in coking wastewater by chemical methods

Soil quality - Chemical methods - Pretreatment of samples for physico-chemical analyses

Lignin and Synthesizing Vanillin with Green Chemical Methods

Application of chemical methods on frost disaster prevention

Recent Advances in Hydrogen Generation with Chemical Methods

Study on Improvement in Viscosity of Vital Wheat Gluten by Physical and Chemical Methods

Studies on the chemical methods for controlling the indoor cockroaches

Research Trends on Reducing Viscosity of Viscous Crude Oils by Chemical Methods

Soil quality - Chemical methods - Determination of pH

Preparation of ultrafine silica powders by wet chemical methods

Applications of modern physic-chemical methods in quality control of oil

Physic-chemical and bio-chemical methods in Textile Processing

Progress of Seed Treatment with Chemical Methods on Cucumber

Review of chemical methods for determining tea polyphenols

Ammonia nitrogen removal from landfill leachate by physico-chemical methods

Reinforced treatment of pine gum processing effluent by physico-chemical methods

Analysis of trace formaldehyde in foods by chemical methods

Development of Mullite Powders Processing by Chemical Methods

Effects of chemical methods on activation of goat oocytes

Study on the Preparation of JA Clarifier by Chemical Methods

Chemical methods of heavy oil exploitation

CHENYZ CHENSY. Chemical Methods in Modernization of Traditional Chinese Medicine

Synthesis of YAG Phosphor by Soft Chemical Methods

Introduction of 11-Hydroxy Group into Steroids by Chemical Methods

Introduction of 11-Hydroxy Group into Steroids by Chemical Methods

Research on Component and Structure of PZT Ceramic Prepared by Two Kinds of Wet Chemical Methods